/* eslint-disable max-len */
// 单片机及其应用
export default {
  title: '单片机及其应用',
  testId: '943',
  praxiseData: [
    {
      type: 'single',
      data: [
        {
          id: 1014562,
          praxise_id: 58027,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 0,
          title: '单片机是将（ ）集成在一块芯片上的微型计算机。',
          options: '["系统时钟及系统总线","CPU、存储器、I\\/O接口","CPU、存储器","CPU、I\\/O接口"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014563,
          praxise_id: 58067,
          iscorrect: 1,
          user_answer: '3',
          score: '2.5',
          sort: 1,
          title: '在进行键盘任务设计时，下列哪项工作不需要考虑（）。',
          options: '["判断键盘有无被按下","识别哪个键被按下","识别是哪一类型的键盘","确定键值，并根据键值执行对应处理程序"]',
          answer: '3',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014564,
          praxise_id: 58107,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 2,
          title: '外部中断0的中断请求信号为（）',
          options: '["IT0","IE0","TF0","EX0"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014565,
          praxise_id: 58028,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 3,
          title: '在家用电器中使用单片机应属于微型计算机在（ ）领域的应用。',
          options: '["辅助设计应用","测量、控制应用","数值计算应用","数据处理应用"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014566,
          praxise_id: 58068,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 4,
          title: '外部中断0的中断请求信号为（）',
          options: '["IT0","IE0","TF0","EX0"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014567,
          praxise_id: 58108,
          iscorrect: 1,
          user_answer: '1',
          score: '2.5',
          sort: 5,
          title: '外中断初始化的内容不包括：',
          options: '["设置中断响应方式","设置外中断允许","设置中断总允许","设置中断触发方式"]',
          answer: '1',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014568,
          praxise_id: 58029,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 6,
          title: 'AT89S51单片机属于（ ）位单片机。',
          options: '["4","8","16","32"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014569,
          praxise_id: 58069,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 7,
          title: 'AT89S51单片机的中断源一共有（）个中断请求标志位。',
          options: '["5","6","4","7"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014570,
          praxise_id: 58109,
          iscorrect: 1,
          user_answer: '3',
          score: '2.5',
          sort: 8,
          title: '在进行键盘任务设计时，下列哪项工作不需要考虑（）。',
          options: '["判断键盘有无被按下","识别哪个键被按下","识别是哪一类型的键盘","确定键值，并根据键值执行对应处理程序"]',
          answer: '3',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014571,
          praxise_id: 58030,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 9,
          title: '以下哪个不属于单片机的特点。（ ）',
          options: '["使用灵活，易于控制。","具有复杂的数据运算和处理能力。","抗干扰能力强。","嵌入容易，用途广泛。"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014572,
          praxise_id: 58070,
          iscorrect: 1,
          user_answer: '4',
          score: '2.5',
          sort: 10,
          title: '定时/计数器T0的溢出中断允许位是(  )',
          options: '["EX0","IE0","TF0","ET0"]',
          answer: '4',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014573,
          praxise_id: 58110,
          iscorrect: 1,
          user_answer: '3',
          score: '2.5',
          sort: 11,
          title: '在按键较多的场合，要想节省端口资源，可以采取（）方式。',
          options: '["独立式键盘","触摸式键盘","矩阵式键盘","薄膜键盘"]',
          answer: '3',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014574,
          praxise_id: 58031,
          iscorrect: 1,
          user_answer: '3',
          score: '2.5',
          sort: 12,
          title: '以下哪个不属于单片机的发展趋势。（ ）',
          options: '["改进CPU ,存储器","片内I\\/O口的改进","提高功耗","外设电路内装化。"]',
          answer: '3',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014575,
          praxise_id: 58071,
          iscorrect: 1,
          user_answer: '1',
          score: '2.5',
          sort: 13,
          title: 'C51中断函数的关键字是(  )',
          options: '["interrupt","delay","void","using"]',
          answer: '1',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014576,
          praxise_id: 58111,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 14,
          title: '在家用电器中使用单片机应属于微型计算机在（ ）领域的应用。',
          options: '["辅助设计应用","测量、控制应用","数值计算应用","数据处理应用"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014577,
          praxise_id: 58112,
          iscorrect: 1,
          user_answer: '1',
          score: '2.5',
          sort: 15,
          title: '在堆栈操作中，当进栈数据全部弹出后，这时S?P应指向（）',
          options: '["栈底单元","7FH单元","栈底单元地址加1","栈底单元地址减1"]',
          answer: '1',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014578,
          praxise_id: 58032,
          iscorrect: 1,
          user_answer: '2',
          score: '2.5',
          sort: 16,
          title: 'AT89S51的CPU是（ ）位。',
          options: '["4","8","16","32"]',
          answer: '2',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014579,
          praxise_id: 58072,
          iscorrect: 1,
          user_answer: '3',
          score: '2.5',
          sort: 17,
          title: '下列说法不正确的是(  )',
          options: '["同一级别的中断请求按时间的先后顺序响应","同一时间不同级别的多中断请求，将按照优先级高低响应","同级中断能实现嵌套","低优先级的中断不能打断高级的中断，反之，则可以。"]',
          answer: '3',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014580,
          praxise_id: 58113,
          iscorrect: 1,
          user_answer: '1',
          score: '2.5',
          sort: 18,
          title: '在单片机的I/O口中，驱动能力最强的是（）',
          options: '["P0","P1","P2","P3"]',
          answer: '1',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014581,
          praxise_id: 58033,
          iscorrect: 1,
          user_answer: '3',
          score: '2.5',
          sort: 19,
          title: 'AT89S51单片机的片外数据存储器最多可扩展（ ）',
          options: '["16KB","32KB","64KB","128KB"]',
          answer: '3',
          type: 'single',
          hard: 1,
          explain: '无',
          get_score: '2.5',
          memo: null,
          flag: '在线作业1'
        }
      ]
    },
    {
      type: 'muti',
      data: [
        {
          id: 1014582,
          praxise_id: 58127,
          iscorrect: 1,
          user_answer: '[1,2,3,4,5]',
          score: '3.0',
          sort: 20,
          title: '8051单片机寻地方式有',
          options: '["寄存器间接寻址方式","立即寻址方式","直接寻址方式","变址间接寻址方式","位寻址方式"]',
          answer: '[1,2,3,4,5]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014583,
          praxise_id: 58047,
          iscorrect: 1,
          user_answer: '[3,4]',
          score: '3.0',
          sort: 21,
          title: '若P1口接有一个4×4的行列键盘，则P1口一定有',
          options: '["8位输入口","8位输出口","4位输入口","4位输出口"]',
          answer: '[3,4]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014584,
          praxise_id: 58087,
          iscorrect: 1,
          user_answer: '[2,4]',
          score: '3.0',
          sort: 22,
          title: '关于指针DPTR，下列说法正确的是',
          options: '["DPTR是CPU和外部存储器进行数据传送的唯一桥梁","DPTR是一个16位寄存器","DPTR不可寻址","DPTR是由DPH和DPL两个8位寄存器组成的","DPTR的地址83H"]',
          answer: '[2,4]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014585,
          praxise_id: 58128,
          iscorrect: 1,
          user_answer: '[1,2,3,4,5]',
          score: '3.0',
          sort: 23,
          title: '8051CPU具有',
          options: '["4K字节的程序存储器","128字节的数据存储器","32线并行I／0□","全双工串行I／0□一个","2个16位定时器／计数器"]',
          answer: '[1,2,3,4,5]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014586,
          praxise_id: 58048,
          iscorrect: 1,
          user_answer: '[3,4]',
          score: '3.0',
          sort: 24,
          title: '若82C55的PC口接有一个4×4的行列键盘，则PC口一定有',
          options: '["8位输入口","8位输出口","4位输入口","4位输出口"]',
          answer: '[3,4]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014587,
          praxise_id: 58088,
          iscorrect: 1,
          user_answer: '[1,2,3,4]',
          score: '3.0',
          sort: 25,
          title: '位地址的表示形式有',
          options: '["点操作符","直接位地址","位名称","用户自定义"]',
          answer: '[1,2,3,4]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014588,
          praxise_id: 58129,
          iscorrect: 1,
          user_answer: '[1,3]',
          score: '3.0',
          sort: 26,
          title: '8051CPUD在访问外部存储器时，地址的输出是',
          options: '["P2口输出高8位地址","P1口输出高8位地址","P0口输出低8位地址","P1口输出低8位地址","P2口输出低8位地址"]',
          answer: '[1,3]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014589,
          praxise_id: 58049,
          iscorrect: 1,
          user_answer: '[3,4]',
          score: '3.0',
          sort: 27,
          title: '系统内存包括',
          options: '["硬盘","软盘","RAM","ROM","光盘"]',
          answer: '[3,4]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014590,
          praxise_id: 58089,
          iscorrect: 1,
          user_answer: '[1,3,4]',
          score: '3.0',
          sort: 28,
          title: '以下有关PC和DPTR的结论中正确的有',
          options: '["DPTR是可以访问的，而PC不能访问","它们都有加1的功能","都是16位的","DPTR可以分为两个8位的寄存器使用，但PC不能。"]',
          answer: '[1,3,4]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014591,
          praxise_id: 58130,
          iscorrect: 1,
          user_answer: '[1,2]',
          score: '3.0',
          sort: 29,
          title: '8031单片机的定时器T1用作定时方式时是',
          options: '["以内部时钟频率为定时基准，12个时钟周期加1","以内部时钟频率为定时基准，1个机器周期加1","以外部脉冲为定时基准，12个脉冲加1","以外部脉冲为定时基准，每个脉冲加1"]',
          answer: '[1,2]',
          type: 'muti',
          hard: 1,
          explain: '无',
          get_score: '3.0',
          memo: null,
          flag: '在线作业3'
        }
      ]
    },
    {
      type: 'charge',
      data: [
        {
          id: 1014592,
          praxise_id: 58137,
          iscorrect: 1,
          user_answer: '-1',
          score: '2.0',
          sort: 30,
          title: '设置AT89S51单片机定时/计数器处于工作方式2时，TH1（TH0 ）可以不用赋初值。',
          options: '',
          answer: '-1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014593,
          praxise_id: 58057,
          iscorrect: 1,
          user_answer: '-1',
          score: '2.0',
          sort: 31,
          title: '单片机主要应用于数值计算领域。',
          options: '',
          answer: '-1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014594,
          praxise_id: 58097,
          iscorrect: 1,
          user_answer: '1',
          score: '2.0',
          sort: 32,
          title: '发光二极管的工作亮度和其供电电流大小有关。',
          options: '',
          answer: '1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014595,
          praxise_id: 58138,
          iscorrect: 1,
          user_answer: '1',
          score: '2.0',
          sort: 33,
          title: '若一个函数的返回类型为void，则表示其没有返回值。（ ）',
          options: '',
          answer: '1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014596,
          praxise_id: 58058,
          iscorrect: 1,
          user_answer: '1',
          score: '2.0',
          sort: 34,
          title: '“8位单片机”中的8是指其基本操作处理的二进制位数为8位。',
          options: '',
          answer: '1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014597,
          praxise_id: 58098,
          iscorrect: 1,
          user_answer: '-1',
          score: '2.0',
          sort: 35,
          title: 'AT89S51单片机的T0，T1都具有定时和计数两种模式，这两种模式的工作原理是一样的。',
          options: '',
          answer: '-1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014598,
          praxise_id: 58139,
          iscorrect: 1,
          user_answer: '-1',
          score: '2.0',
          sort: 36,
          title: '第1组工作寄存器R0~R7的地址是10H~17H。 （ ）',
          options: '',
          answer: '-1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业3'
        },
        {
          id: 1014599,
          praxise_id: 58059,
          iscorrect: 1,
          user_answer: '1',
          score: '2.0',
          sort: 37,
          title: '手机中使用的单片机是专用单片机。',
          options: '',
          answer: '1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业1'
        },
        {
          id: 1014600,
          praxise_id: 58099,
          iscorrect: 1,
          user_answer: '-1',
          score: '2.0',
          sort: 38,
          title: '设置AT89S51单片机定时/计数器处于工作方式2时，TH1（TH0 ）可以不用赋初值。',
          options: '',
          answer: '-1',
          type: 'charge',
          hard: 1,
          explain: '无',
          get_score: '2.0',
          memo: null,
          flag: '在线作业2'
        },
        {
          id: 1014601,
          praxise_id: 58140,
          iscorrect: 1,
          user_answer: '1',
          score: '2.0',
          sort: 39,
          title: '程序存储器和数据存储器的作用不同，程序存储器一般用存放数据表格和程序，而数据存储器一般用来存放数据(  )。',
          options: '',
          answer: '1',
          type: 'charge',
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          get_score: '2.0',
          memo: null,
          flag: '在线作业3'
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}